Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

	Quarter
	1st		2nd		3rd		4th			Total (2)
	(in millions, except share and per share data)
Year ended December 31, 2015:
Net operating revenues	$	4,911	$	4,882	$	4,846	$	4,798	$	19,437
Income (loss) from continuing operations
before income taxes		168		214		121		(91)		411
Income (loss) from continuing operations		112		140		83		(40)		295
Loss from discontinued operations		(13)		(6)		(8)		(9)		(36)
Net income (loss) attributable to Community
Health Systems, Inc.	$	79	$	111	$	52	$	(83)	$	158
Basic earnings (loss) per share attributable to
Community Health Systems, Inc. common
stockholders(1):
Continuing operations	$	0.80	$	1.02	$	0.52	$	(0.66)	$	1.69
Discontinued operations		(0.11)		(0.06)		(0.07)		(0.08)		(0.31)
Net income (loss)	$	0.69	$	0.96	$	0.45	$	(0.73)	$	1.38
Diluted earnings (loss) per share attributable to
Community Health Systems, Inc. common
stockholders(1):
Continuing operations	$	0.79	$	1.01	$	0.51	$	(0.66)	$	1.68
Discontinued operations		(0.11)		(0.06)		(0.07)		(0.08)		(0.31)
Net income (loss)	$	0.68	$	0.95	$	0.44	$	(0.73)	$	1.37
Weighted-average number of shares outstanding:
Basic		114,419,590		115,194,899		115,319,986		112,891,505		114,454,674
Diluted		115,057,668		116,100,417		116,368,157		112,891,505		115,272,404
Year ended December 31, 2014:
Net operating revenues	$	4,176	$	4,765	$	4,780	$	4,918	$	18,639
(Loss) income from continuing operations
before income taxes		(131)		109		134		230		342
(Loss) income from continuing operations		(75)		76		94		165		260
Loss from discontinued operations		(22)		(6)		-		(29)		(57)
Net (loss) income attributable to Community
Health Systems, Inc.	$	(112)	$	42	$	62	$	100	$	92
Basic earnings (loss) per share attributable to
Community Health Systems, Inc. common
stockholders(1):
Continuing operations	$	(0.84)	$	0.43	$	0.55	$	1.13	$	1.33
Discontinued operations		(0.21)		(0.06)		-		(0.26)		(0.51)
Net (loss) income	$	(1.05)	$	0.37	$	0.55	$	0.88	$	0.82
Diluted earnings (loss) per share attributable to
Community Health Systems, Inc. common
stockholders(1):
Continuing operations	$	(0.84)	$	0.42	$	0.54	$	1.12	$	1.32
Discontinued operations		(0.21)		(0.06)		-		(0.25)		(0.51)
Net (loss) income	$	(1.05)	$	0.37	$	0.54	$	0.87	$	0.82
Weighted-average number of shares outstanding:
Basic		106,601,997		112,598,899		113,138,663		113,606,631		111,579,088
Diluted		106,601,997		113,474,169		114,343,778		114,828,587		112,549,320
(1) Total per share amounts may not add due to rounding.
(2) Total quarterly amounts may not add due to rounding.